Vacuum cleaner



FIG. 1 is a perspective view of a first embodiment of our new design of a vacuum cleaner;

FIG. 2 is a front view of the first embodiment of our new design of the vacuum cleaner;

FIG. 3 is a rear view of the first embodiment of our new design of the vacuum cleaner;

FIG. 4 is a right side view of the first embodiment of our new design of the vacuum cleaner, the left side view thereof being a mirror image of the right side view;

FIG. 5 is a top view of the first embodiment of our new design of the vacuum cleaner;

FIG. 6 is a bottom view of the first embodiment of our new design of the vacuum cleaner;

FIG. 7 is a perspective of a second embodiment of our new design of a vacuum cleaner;

FIG. 8 is a front view of the second embodiment of our new design of the vacuum cleaner;

FIG. 9 is a rear view of the second embodiment of our new design of the vacuum cleaner;

FIG. 10 is a right side view of the second embodiment of our new design of the vacuum cleaner, the left side view thereof being a mirror image of the right side view;

FIG. 11 is a top side view of the second embodiment of our new design of the vacuum cleaner; and,

FIG. 12 is a bottom view of the second embodiment of our new design of the vacuum cleaner. 

The ornamental design for a vacuum cleaner, as shown and described. 